Utilization of some starch derivatives in heavy metal ions removal

Khalil, M. I.; Farag, S.

doi:10.1002/(sici)1097-4628(19980705)69:1<45::aid-app6>3.0.co;2-m

Cited by 86 publications

(40 citation statements)

References 2 publications

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“…Fig. 1 > Zn 2+ > Pb 2+ which is in analogous with the IrvingWilliams series [17] and our previous reports [18]. The difference in sorption values of various ions results from different stability constants of formed chelates with different metals [19][20][21].…”

Section: Heavy Metal Sorptionsupporting

confidence: 61%

Preparation of Anionic Starch Containing Carboxyl Groups and its Utilization as Chelating Agent

Khalil

Abdel-Halim

2001

Starch/Stärke

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Maize starch, methyl acrylate, ceric ammonium nitrate, monochloroacetic acid, nitric acid hydrochloric acid, sodium hydroxide, ethanol, mercuric acetate, cupric acetate, zinc acetate, lead acetate and ethylenediaminetetraacetic acid (EDTA) were of analytical grade. Preparation of poly(methyl acrylate)-starch graft copolymerPoly(methyl acrylate)-starch graft copolymer was prepared according to a reported method [10] using ceric

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Section: Heavy Metal Sorptionsupporting

confidence: 61%

Preparation of Anionic Starch Containing Carboxyl Groups and its Utilization as Chelating Agent

Khalil

Abdel-Halim

2001

Starch/Stärke

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“…Grafting copolymerization has been done to modify cassava starch into SAP [10][11]. In addition to starch, lignocelluloses and its derivative are also used as substrate for graft copolymerization [12].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Cassava Waste Pulp-Acrylamide Super Absorbent: Effect of Initiator and Cross-Linker Concentration

Mas’ud¹,

Khotib²,

Sari³

et al. 2013

Indones. J. Chem.

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Cassava waste pulp (CWP) contains high carbohydrates that can be modified into super absorbent polymer (SAP) through grafting and cross-linking copolymerization. Acrylamide (AM) was grafted onto CWP with ammonium persulfate (APS) as the initiator and N,N'-methylene-bis-acrylamide (MBA) ABSTRAK Onggok singkong merupakan hasil samping industri tapioka, mengandung karbohidrat tinggi yang dapat dimodifikasi menjadi polimer super absorben (SAP) melalui kopolimerisasi cangkok dan taut-silang. Akrilamida (AM) dicangkokkan ke onggok dengan inisiator amonium persulfat (APS) dan peanut-siang N,N'-methylene-bis-akrilamida (MBA) dalam suasana atmosfer nitrogen. Pengaruh konsentrasi APS dan MBA terhadap kapasitas penyerapan air dari SAP tersaponifikasi dipelajari, sedangkan nisbah (GR) dan efisiensi pencangkokan (GRE) dikaji hanya pada SAP tidak tersaponifikasi. Keberhasilan pencangkokan ditandai dengan munculnya pita serapan IR pada bilangan gelombang 573, 765, 858, dan 1667 cm -1 . Dalam SAP tersaponifikasi, karakteristik

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“…[1] Natural polymers such as starch, [1,2] sodium alginate, [1,3] amylopectin, [1] guar gum, [1] xanthan gum, [1] kendu gum, [4] and chitosan [5] find extensive application as flocculants. Many starch based products have been used for removal of toxic wastes like hexavalent chromium, [6] cadmium, [7] and gallium [8] which are usually present in many industrial waste water such as those from textiles, leather tanning, electroplating and metal finishing industries.…”

Section: Introductionmentioning

confidence: 99%